Security log
From Memory Alpha, the free Star Trek reference.
A security log is a record kept by the chief of security of a starship or starbase.
Several log entries were made in the security log aboard Deep Space 9, as recorded by Constable Odo. (DS9: "Necessary Evil")
In 2370, Kellerun and T'Lani authorities provided a data clip to Starfleet, of the security log of the laboratory where Miles O'Brien and Julian Bashir were thought to have been killed. (DS9: "Armageddon Game").
Numerous log entries were made in the security log for the USS Voyager. They were recorded by Lieutenant Tuvok. (VOY: "Learning Curve")
